42 Class 42: Computer services, namely, development and integration of computer software for others used for the trading, risk management and operations processing of transactions in the fields of finance, energy and commodities; non-downloadable software for trading renewable energy credits; application service provider (asp) featuring software for digital asset or tokens of value exchange transaction services; application service provider (asp) featuring software to enable building of applications on the blockchain, interaction with blockchain smart contracts, and asset and information exchange within a social network or online content publishing environment; software as a service (saas) services featuring software for creating nfts (non-fungible tokens) for digital content and tokenized physical items; non-downloadable virtual goods, namely, non-fungible tokens used with blockchain technology; non-downloadable virtual goods, namely, non-fungible tokens used with a distributed ledger; non-downloadable virtual goods, namely, digital collectible images using non-fungible tokens and blockchain technology; authentication and certification of data relating to non-fungible tokens via blockchain